Sunan Ibn Majah, Volume 3, Book 12, Hadith 2245 (DarusSalam) ⓘ
It was narrated from 'Uqbah bin 'Amir that the Messenger of Allah said: "There is no contractual obligation after four (days)."
حَدَّثَنَا عَمْرُو بْنُ رَافِعٍ، حَدَّثَنَا هُشَيْمٌ، عَنْ يُونُسَ بْنِ عُبَيْدٍ، عَنِ الْحَسَنِ، عَنْ عُقْبَةَ بْنِ عَامِرٍ، أَنَّ رَسُولَ اللَّهِ ـ صلى الله عليه وسلم ـ قَالَ " لاَ عُهْدَةَ بَعْدَ أَرْبَعٍ " .
also referenced under: Hadith 2245 (Reference) & Book 12, Hadith 2330 (In-Book)